February 2025 - Linux-kselftest-mirror

[PATCH net-next] netconsole: selftest: Add test for fragmented messages

by Breno Leitao

Add a new selftest to verify netconsole's handling of messages that exceed the packet size limit and require fragmentation. The test sends messages with varying sizes and userdata, validating that: 1. Large messages are correctly fragmented and reassembled 2. Userdata fields are properly preserved across fragments 3. Messages work correctly with and without kernel release version appending The test creates a networking environment using netdevsim, sends messages through /dev/kmsg, and verifies the received fragments maintain message integrity. Signed-off-by: Breno Leitao <leitao(a)debian.org> Reviewed-by: Simon Horman <horms(a)kernel.org> --- Changes compared to RFC - Removed the long-line comment (Simon) - Added Simon's reviwed-by tag. - Link to v1: https://lore.kernel.org/r/20250131-netcons_frag_msgs-v1-1-0de83bf2a7e6@debi… --- tools/testing/selftests/drivers/net/Makefile | 1 + .../selftests/drivers/net/lib/sh/lib_netcons.sh | 7 ++ .../drivers/net/netcons_fragmented_msg.sh | 122 +++++++++++++++++++++ 3 files changed, 130 insertions(+) diff --git a/tools/testing/selftests/drivers/net/Makefile b/tools/testing/selftests/drivers/net/Makefile index 137470bdee0c7fd2517bd1baafc12d575de4b4ac..c7f1c443f2af091aa13f67dd1df9ae05d7a43f40 100644 --- a/tools/testing/selftests/drivers/net/Makefile +++ b/tools/testing/selftests/drivers/net/Makefile @@ -7,6 +7,7 @@ TEST_INCLUDES := $(wildcard lib/py/*.py) \ TEST_PROGS := \ netcons_basic.sh \ + netcons_fragmented_msg.sh \ netcons_overflow.sh \ ping.py \ queues.py \ diff --git a/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh index 3acaba41ac7b21aa2fd8457ed640a5ac8a41bc12..0c262b123fdd3082c40b2bd899ec626d223226ed 100644 --- a/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh +++ b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh @@ -110,6 +110,13 @@ function create_dynamic_target() { echo 1 > "${NETCONS_PATH}"/enabled } +# Do not append the release to the header of the message +function disable_release_append() { + echo 0 > "${NETCONS_PATH}"/enabled + echo 0 > "${NETCONS_PATH}"/release + echo 1 > "${NETCONS_PATH}"/enabled +} + function cleanup() { local NSIM_DEV_SYS_DEL="/sys/bus/netdevsim/del_device" diff --git a/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh b/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh new file mode 100755 index 0000000000000000000000000000000000000000..4a71e01a230c75c14147a9937920fe0b68a0926a --- /dev/null +++ b/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh @@ -0,0 +1,122 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 + +# Test netconsole's message fragmentation functionality. +# +# When a message exceeds the maximum packet size, netconsole splits it into +# multiple fragments for transmission. This test verifies: +# - Correct fragmentation of large messages +# - Proper reassembly of fragments at the receiver +# - Preservation of userdata across fragments +# - Behavior with and without kernel release version appending +# +# Author: Breno Leitao <leitao(a)debian.org> + +set -euo pipefail + +SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") + +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh + +modprobe netdevsim 2> /dev/null || true +modprobe netconsole 2> /dev/null || true + +# The content of kmsg will be save to the following file +OUTPUT_FILE="/tmp/${TARGET}" + +# set userdata to a long value. In this case, it is "1-2-3-4...50-" +USERDATA_VALUE=$(printf -- '%.2s-' {1..60}) + +# Convert the header string in a regexp, so, we can remove +# the second header as well. +# A header looks like "13,468,514729715,-,ncfrag=0/1135;". If +# release is appended, you might find something like:L +# "6.13.0-04048-g4f561a87745a,13,468,514729715,-,ncfrag=0/1135;" +function header_to_regex() { + # header is everything before ; + local HEADER="${1}" + REGEX=$(echo "${HEADER}" | cut -d'=' -f1) + echo "${REGEX}=[0-9]*\/[0-9]*;" +} + +# We have two headers in the message. Remove both to get the full message, +# and extract the full message. +function extract_msg() { + local MSGFILE="${1}" + # Extract the header, which is the very first thing that arrives in the + # first list. + HEADER=$(sed -n '1p' "${MSGFILE}" | cut -d';' -f1) + HEADER_REGEX=$(header_to_regex "${HEADER}") + + # Remove the two headers from the received message + # This will return the message without any header, similarly to what + # was sent. + sed "s/""${HEADER_REGEX}""//g" "${MSGFILE}" +} + +# Validate the message, which has two messages glued together. +# unwrap them to make sure all the characters were transmitted. +# File will look like the following: +# 13,468,514729715,-,ncfrag=0/1135;<message> +# key=<part of key>-13,468,514729715,-,ncfrag=967/1135;<rest of the key> +function validate_fragmented_result() { + # Discard the netconsole headers, and assemble the full message + RCVMSG=$(extract_msg "${1}") + + # check for the main message + if ! echo "${RCVMSG}" | grep -q "${MSG}"; then + echo "Message body doesn't match." >&2 + echo "msg received=" "${RCVMSG}" >&2 + exit "${ksft_fail}" + fi + + # check userdata + if ! echo "${RCVMSG}" | grep -q "${USERDATA_VALUE}"; then + echo "message userdata doesn't match" >&2 + echo "msg received=" "${RCVMSG}" >&2 + exit "${ksft_fail}" + fi + # test passed. hooray +} + +# Check for basic system dependency and exit if not found +check_for_dependencies +# Set current loglevel to KERN_INFO(6), and default to KERN_NOTICE(5) +echo "6 5" > /proc/sys/kernel/printk +# Remove the namespace, interfaces and netconsole target on exit +trap cleanup EXIT +# Create one namespace and two interfaces +set_network +# Create a dynamic target for netconsole +create_dynamic_target +# Set userdata "key" with the "value" value +set_user_data + + +# TEST 1: Send message and userdata. They will fragment +# ======= +MSG=$(printf -- 'MSG%.3s=' {1..150}) + +# Listen for netconsole port inside the namespace and destination interface +listen_port_and_save_to "${OUTPUT_FILE}" & +# Wait for socat to start and listen to the port. +wait_local_port_listen "${NAMESPACE}" "${PORT}" udp +# Send the message +echo "${MSG}: ${TARGET}" > /dev/kmsg +# Wait until socat saves the file to disk +busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" +# Check if the message was not corrupted +validate_fragmented_result "${OUTPUT_FILE}" + +# TEST 2: Test with smaller message, and without release appended +# ======= +MSG=$(printf -- 'FOOBAR%.3s=' {1..100}) +# Let's disable release and test again. +disable_release_append + +listen_port_and_save_to "${OUTPUT_FILE}" & +wait_local_port_listen "${NAMESPACE}" "${PORT}" udp +echo "${MSG}: ${TARGET}" > /dev/kmsg +busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" +validate_fragmented_result "${OUTPUT_FILE}" +exit "${ksft_pass}" --- base-commit: 0ad9617c78acbc71373fb341a6f75d4012b01d69 change-id: 20250129-netcons_frag_msgs-91506d136f50 Best regards, -- Breno Leitao <leitao(a)debian.org>

2 months, 2 weeks

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[PATCH] selftests/cgroup: use bash in test_cpuset_v1_hp.sh

by Bharadwaj Raju

The script uses non-POSIX features like `[[` for conditionals and hence does not work when run with a POSIX /bin/sh. Change the shebang to /bin/bash instead, like the other tests in cgroup. Signed-off-by: Bharadwaj Raju <bharadwaj.raju777(a)gmail.com> --- tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh b/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh index 3f45512fb512..7406c24be1ac 100755 --- a/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh +++ b/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Test the special cpuset v1 hotplug case where a cpuset become empty of -- 2.43.0

2 months, 2 weeks

2
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[PATCH v3 0/2] EDITME: cover title for scanf-kunit-convert

by Tamir Duberstein

This is one of just 3 remaining "Test Module" kselftests (the others being bitmap and printf), the rest having been converted to KUnit. In addition to the enclosed patch, please consider this an RFC on the removal of the "Test Module" kselftest machinery. I tested this using: $ tools/testing/kunit/kunit.py run --arch arm64 --make_options LLVM=1 scanf Signed-off-by: Tamir Duberstein <tamird(a)gmail.com> --- Changes in v3: - Reduce diff noise in lib/Makefile. (Petr Mladek) - Split `scanf_test` into a few test cases. New output: : =================== scanf (10 subtests) ==================== : [PASSED] numbers_simple : ====================== numbers_list ======================= : [PASSED] delim=" " : [PASSED] delim=":" : [PASSED] delim="," : [PASSED] delim="-" : [PASSED] delim="/" : ================== [PASSED] numbers_list =================== : ============ numbers_list_field_width_typemax ============= : [PASSED] delim=" " : [PASSED] delim=":" : [PASSED] delim="," : [PASSED] delim="-" : [PASSED] delim="/" : ======== [PASSED] numbers_list_field_width_typemax ========= : =========== numbers_list_field_width_val_width ============ : [PASSED] delim=" " : [PASSED] delim=":" : [PASSED] delim="," : [PASSED] delim="-" : [PASSED] delim="/" : ======= [PASSED] numbers_list_field_width_val_width ======== : [PASSED] numbers_slice : [PASSED] numbers_prefix_overflow : [PASSED] test_simple_strtoull : [PASSED] test_simple_strtoll : [PASSED] test_simple_strtoul : [PASSED] test_simple_strtol : ====================== [PASSED] scanf ====================== : ============================================================ : Testing complete. Ran 22 tests: passed: 22 : Elapsed time: 5.517s total, 0.001s configuring, 5.440s building, 0.067s running - Link to v2: https://lore.kernel.org/r/20250203-scanf-kunit-convert-v2-1-277a618d804e@gm… Changes in v2: - Rename lib/{test_scanf.c => scanf_kunit.c}. (Andy Shevchenko) - Link to v1: https://lore.kernel.org/r/20250131-scanf-kunit-convert-v1-1-0976524f0eba@gm… --- Tamir Duberstein (2): scanf: convert self-test to KUnit scanf: break kunit into test cases MAINTAINERS | 2 +- arch/m68k/configs/amiga_defconfig | 1 - arch/m68k/configs/apollo_defconfig | 1 - arch/m68k/configs/atari_defconfig | 1 - arch/m68k/configs/bvme6000_defconfig | 1 - arch/m68k/configs/hp300_defconfig | 1 - arch/m68k/configs/mac_defconfig | 1 - arch/m68k/configs/multi_defconfig | 1 - arch/m68k/configs/mvme147_defconfig | 1 - arch/m68k/configs/mvme16x_defconfig | 1 - arch/m68k/configs/q40_defconfig | 1 - arch/m68k/configs/sun3_defconfig | 1 - arch/m68k/configs/sun3x_defconfig | 1 - arch/powerpc/configs/ppc64_defconfig | 1 - lib/Kconfig.debug | 20 +- lib/Makefile | 2 +- lib/scanf_kunit.c | 800 ++++++++++++++++++++++++++++++++++ lib/test_scanf.c | 814 ----------------------------------- tools/testing/selftests/lib/Makefile | 2 +- tools/testing/selftests/lib/config | 1 - tools/testing/selftests/lib/scanf.sh | 4 - 21 files changed, 820 insertions(+), 838 deletions(-) --- base-commit: a86bf2283d2c9769205407e2b54777c03d012939 change-id: 20250131-scanf-kunit-convert-f70dc33bb34c Best regards, -- Tamir Duberstein <tamird(a)gmail.com>

2 months, 2 weeks

1
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[PATCH v2] scanf: convert self-test to KUnit

by Tamir Duberstein

Convert the scanf() self-test to a KUnit test. In the interest of keeping the patch reasonably-sized this doesn't refactor the tests into proper parameterized tests - it's all one big test case. Signed-off-by: Tamir Duberstein <tamird(a)gmail.com> Acked-by: Geert Uytterhoeven <geert(a)linux-m68k.org> # m68k --- This is one of just 3 remaining "Test Module" kselftests (the others being bitmap and printf), the rest having been converted to KUnit. In addition to the enclosed patch, please consider this an RFC on the removal of the "Test Module" kselftest machinery. I tested this using: $ tools/testing/kunit/kunit.py run --arch arm64 --make_options LLVM=1 scanf --- Changes in v2: - Rename lib/{test_scanf.c => scanf_kunit.c}. (Andy Shevchenko) - Link to v1: https://lore.kernel.org/r/20250131-scanf-kunit-convert-v1-1-0976524f0eba@gm… --- MAINTAINERS | 2 +- arch/m68k/configs/amiga_defconfig | 1 - arch/m68k/configs/apollo_defconfig | 1 - arch/m68k/configs/atari_defconfig | 1 - arch/m68k/configs/bvme6000_defconfig | 1 - arch/m68k/configs/hp300_defconfig | 1 - arch/m68k/configs/mac_defconfig | 1 - arch/m68k/configs/multi_defconfig | 1 - arch/m68k/configs/mvme147_defconfig | 1 - arch/m68k/configs/mvme16x_defconfig | 1 - arch/m68k/configs/q40_defconfig | 1 - arch/m68k/configs/sun3_defconfig | 1 - arch/m68k/configs/sun3x_defconfig | 1 - arch/powerpc/configs/ppc64_defconfig | 1 - lib/Kconfig.debug | 20 +- lib/Makefile | 4 +- lib/{test_scanf.c => scanf_kunit.c} | 704 +++++++++++++++++------------------ tools/testing/selftests/lib/Makefile | 2 +- tools/testing/selftests/lib/config | 1 - tools/testing/selftests/lib/scanf.sh | 4 - 20 files changed, 360 insertions(+), 390 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index ab7463b2f165..7c6eb5dc0470 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -25358,8 +25358,8 @@ R: Sergey Senozhatsky <senozhatsky(a)chromium.org> S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git F: Documentation/core-api/printk-formats.rst +F: lib/scanf_kunit.c F: lib/test_printf.c -F: lib/test_scanf.c F: lib/vsprintf.c VT1211 HARDWARE MONITOR DRIVER diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index dbf2ea561c85..e85a4b3a9847 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -623,7 +623,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index b0fd199cc0a4..232b885cc26e 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -580,7 +580,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index bb5b2d3b6c10..228af5b4cd42 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -600,7 +600,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 8315a13bab73..cbc59aed3d97 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -572,7 +572,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 350370657e5f..8d3787b8fe6d 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -582,7 +582,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index f942b4755702..a68893d83361 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -599,7 +599,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index b1eaad02efab..9a17526cefd2 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -686,7 +686,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 6309a4442bb3..5cf2e2860044 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -572,7 +572,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 3feb0731f814..eb395749bc75 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -573,7 +573,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index ea04b1b0da7d..8891f12c2a18 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -589,7 +589,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index f52d9af92153..a49ff5330e5b 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -569,7 +569,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index f348447824da..3022ff492136 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -570,7 +570,6 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 465eb96c755e..819387cbbe69 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -445,7 +445,6 @@ CONFIG_STRING_SELFTEST=m CONFIG_TEST_STRING_HELPERS=m CONFIG_TEST_KSTRTOX=m CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1af972a92d06..716c4ef857bb 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2427,6 +2427,23 @@ config ASYNC_RAID6_TEST config TEST_HEXDUMP tristate "Test functions located in the hexdump module at runtime" +config SCANF_KUNIT_TEST + tristate "KUnit test scanf() family of functions at runtime" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Enable this option to test the scanf functions at boot. + + KUnit tests run during boot and output the results to the debug log + in TAP format (http://testanything.org/). Only useful for kernel devs + running the KUnit test harness, and not intended for inclusion into a + production build. + + For more information on KUnit and unit tests in general please refer + to the KUnit documentation in Documentation/dev-tools/kunit/. + + If unsure, say N. + config STRING_KUNIT_TEST tristate "KUnit test string functions at runtime" if !KUNIT_ALL_TESTS depends on KUNIT @@ -2443,9 +2460,6 @@ config TEST_KSTRTOX config TEST_PRINTF tristate "Test printf() family of functions at runtime" -config TEST_SCANF - tristate "Test scanf() family of functions at runtime" - config TEST_BITMAP tristate "Test bitmap_*() family of functions at runtime" help diff --git a/lib/Makefile b/lib/Makefile index d5cfc7afbbb8..a53cf6dd1505 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o obj-$(CONFIG_TEST_PRINTF) += test_printf.o -obj-$(CONFIG_TEST_SCANF) += test_scanf.o obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy) @@ -373,8 +372,9 @@ CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN) obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o obj-$(CONFIG_UTIL_MACROS_KUNIT) += util_macros_kunit.o -obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o +obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o +obj-$(CONFIG_SCANF_KUNIT_TEST) += scanf_kunit.o obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o obj-$(CONFIG_BITS_TEST) += test_bits.o obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o diff --git a/lib/test_scanf.c b/lib/scanf_kunit.c similarity index 30% rename from lib/test_scanf.c rename to lib/scanf_kunit.c index 44f8508c9d88..70364ce20ec3 100644 --- a/lib/test_scanf.c +++ b/lib/scanf_kunit.c @@ -5,8 +5,8 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <kunit/test.h> #include <linux/bitops.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/overflow.h> @@ -15,148 +15,123 @@ #include <linux/slab.h> #include <linux/string.h> -#include "../tools/testing/selftests/kselftest_module.h" - #define BUF_SIZE 1024 -KSTM_MODULE_GLOBALS(); -static char *test_buffer __initdata; -static char *fmt_buffer __initdata; -static struct rnd_state rnd_state __initdata; +static char *test_buffer; +static char *fmt_buffer; +static struct rnd_state rnd_state; -typedef int (*check_fn)(const void *check_data, const char *string, +typedef void (*check_fn)(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap); -static void __scanf(4, 6) __init -_test(check_fn fn, const void *check_data, const char *string, const char *fmt, +static void __scanf(5, 7) +_test(struct kunit *test, check_fn fn, const void *check_data, const char *string, const char *fmt, int n_args, ...) { va_list ap, ap_copy; - int ret; - - total_tests++; va_start(ap, n_args); va_copy(ap_copy, ap); - ret = vsscanf(string, fmt, ap_copy); + KUNIT_EXPECT_EQ_MSG(test, vsscanf(string, fmt, ap_copy), n_args, + "vsscanf(\"%s\", \"%s\", ...)", string, fmt); va_end(ap_copy); - if (ret != n_args) { - pr_warn("vsscanf(\"%s\", \"%s\", ...) returned %d expected %d\n", - string, fmt, ret, n_args); - goto fail; - } - - ret = (*fn)(check_data, string, fmt, n_args, ap); - if (ret) - goto fail; - - va_end(ap); - - return; - -fail: - failed_tests++; + (*fn)(test, check_data, string, fmt, n_args, ap); va_end(ap); } -#define _check_numbers_template(arg_fmt, expect, str, fmt, n_args, ap) \ +#define _check_numbers_template(test, arg_fmt, expect, str, fmt, n_args, ap) \ do { \ pr_debug("\"%s\", \"%s\" ->\n", str, fmt); \ for (; n_args > 0; n_args--, expect++) { \ typeof(*expect) got = *va_arg(ap, typeof(expect)); \ pr_debug("\t" arg_fmt "\n", got); \ - if (got != *expect) { \ - pr_warn("vsscanf(\"%s\", \"%s\", ...) expected " arg_fmt " got " arg_fmt "\n", \ - str, fmt, *expect, got); \ - return 1; \ - } \ + KUNIT_EXPECT_EQ_MSG(test, got, *expect, "vsscanf(\"%s\", \"%s\", ...)", str, fmt); \ } \ - return 0; \ } while (0) -static int __init check_ull(const void *check_data, const char *string, +static void check_ull(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned long long *pval = check_data; - _check_numbers_template("%llu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%llu", pval, string, fmt, n_args, ap); } -static int __init check_ll(const void *check_data, const char *string, +static void check_ll(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const long long *pval = check_data; - _check_numbers_template("%lld", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%lld", pval, string, fmt, n_args, ap); } -static int __init check_ulong(const void *check_data, const char *string, +static void check_ulong(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned long *pval = check_data; - _check_numbers_template("%lu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%lu", pval, string, fmt, n_args, ap); } -static int __init check_long(const void *check_data, const char *string, +static void check_long(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const long *pval = check_data; - _check_numbers_template("%ld", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%ld", pval, string, fmt, n_args, ap); } -static int __init check_uint(const void *check_data, const char *string, +static void check_uint(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned int *pval = check_data; - _check_numbers_template("%u", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%u", pval, string, fmt, n_args, ap); } -static int __init check_int(const void *check_data, const char *string, +static void check_int(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const int *pval = check_data; - _check_numbers_template("%d", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%d", pval, string, fmt, n_args, ap); } -static int __init check_ushort(const void *check_data, const char *string, +static void check_ushort(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned short *pval = check_data; - _check_numbers_template("%hu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hu", pval, string, fmt, n_args, ap); } -static int __init check_short(const void *check_data, const char *string, +static void check_short(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const short *pval = check_data; - _check_numbers_template("%hd", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hd", pval, string, fmt, n_args, ap); } -static int __init check_uchar(const void *check_data, const char *string, +static void check_uchar(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned char *pval = check_data; - _check_numbers_template("%hhu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hhu", pval, string, fmt, n_args, ap); } -static int __init check_char(const void *check_data, const char *string, +static void check_char(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const signed char *pval = check_data; - _check_numbers_template("%hhd", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hhd", pval, string, fmt, n_args, ap); } /* Selection of interesting numbers to test, copied from test-kstrtox.c */ -static const unsigned long long numbers[] __initconst = { +static const unsigned long long numbers[] = { 0x0ULL, 0x1ULL, 0x7fULL, @@ -190,76 +165,76 @@ static const unsigned long long numbers[] __initconst = { : ((unsigned long long)(val) <= type_max(T))) -#define test_one_number(T, gen_fmt, scan_fmt, val, fn) \ -do { \ - const T expect_val = (T)(val); \ - T result = ~expect_val; /* should be overwritten */ \ - \ - snprintf(test_buffer, BUF_SIZE, gen_fmt, expect_val); \ - _test(fn, &expect_val, test_buffer, "%" scan_fmt, 1, &result); \ +#define test_one_number(test, T, gen_fmt, scan_fmt, val, fn) \ +do { \ + const T expect_val = (T)(val); \ + T result = ~expect_val; /* should be overwritten */ \ + \ + snprintf(test_buffer, BUF_SIZE, gen_fmt, expect_val); \ + _test(test, fn, &expect_val, test_buffer, "%" scan_fmt, 1, &result); \ } while (0) -#define simple_numbers_loop(T, gen_fmt, scan_fmt, fn) \ +#define simple_numbers_loop(test, T, gen_fmt, scan_fmt, fn) \ do { \ int i; \ \ for (i = 0; i < ARRAY_SIZE(numbers); i++) { \ if (value_representable_in_type(T, numbers[i])) \ - test_one_number(T, gen_fmt, scan_fmt, \ + test_one_number(test, T, gen_fmt, scan_fmt, \ numbers[i], fn); \ \ if (value_representable_in_type(T, -numbers[i])) \ - test_one_number(T, gen_fmt, scan_fmt, \ + test_one_number(test, T, gen_fmt, scan_fmt, \ -numbers[i], fn); \ } \ } while (0) -static void __init numbers_simple(void) -{ - simple_numbers_loop(unsigned long long, "%llu", "llu", check_ull); - simple_numbers_loop(long long, "%lld", "lld", check_ll); - simple_numbers_loop(long long, "%lld", "lli", check_ll); - simple_numbers_loop(unsigned long long, "%llx", "llx", check_ull); - simple_numbers_loop(long long, "%llx", "llx", check_ll); - simple_numbers_loop(long long, "0x%llx", "lli", check_ll); - simple_numbers_loop(unsigned long long, "0x%llx", "llx", check_ull); - simple_numbers_loop(long long, "0x%llx", "llx", check_ll); - - simple_numbers_loop(unsigned long, "%lu", "lu", check_ulong); - simple_numbers_loop(long, "%ld", "ld", check_long); - simple_numbers_loop(long, "%ld", "li", check_long); - simple_numbers_loop(unsigned long, "%lx", "lx", check_ulong); - simple_numbers_loop(long, "%lx", "lx", check_long); - simple_numbers_loop(long, "0x%lx", "li", check_long); - simple_numbers_loop(unsigned long, "0x%lx", "lx", check_ulong); - simple_numbers_loop(long, "0x%lx", "lx", check_long); - - simple_numbers_loop(unsigned int, "%u", "u", check_uint); - simple_numbers_loop(int, "%d", "d", check_int); - simple_numbers_loop(int, "%d", "i", check_int); - simple_numbers_loop(unsigned int, "%x", "x", check_uint); - simple_numbers_loop(int, "%x", "x", check_int); - simple_numbers_loop(int, "0x%x", "i", check_int); - simple_numbers_loop(unsigned int, "0x%x", "x", check_uint); - simple_numbers_loop(int, "0x%x", "x", check_int); - - simple_numbers_loop(unsigned short, "%hu", "hu", check_ushort); - simple_numbers_loop(short, "%hd", "hd", check_short); - simple_numbers_loop(short, "%hd", "hi", check_short); - simple_numbers_loop(unsigned short, "%hx", "hx", check_ushort); - simple_numbers_loop(short, "%hx", "hx", check_short); - simple_numbers_loop(short, "0x%hx", "hi", check_short); - simple_numbers_loop(unsigned short, "0x%hx", "hx", check_ushort); - simple_numbers_loop(short, "0x%hx", "hx", check_short); - - simple_numbers_loop(unsigned char, "%hhu", "hhu", check_uchar); - simple_numbers_loop(signed char, "%hhd", "hhd", check_char); - simple_numbers_loop(signed char, "%hhd", "hhi", check_char); - simple_numbers_loop(unsigned char, "%hhx", "hhx", check_uchar); - simple_numbers_loop(signed char, "%hhx", "hhx", check_char); - simple_numbers_loop(signed char, "0x%hhx", "hhi", check_char); - simple_numbers_loop(unsigned char, "0x%hhx", "hhx", check_uchar); - simple_numbers_loop(signed char, "0x%hhx", "hhx", check_char); +static void numbers_simple(struct kunit *test) +{ + simple_numbers_loop(test, unsigned long long, "%llu", "llu", check_ull); + simple_numbers_loop(test, long long, "%lld", "lld", check_ll); + simple_numbers_loop(test, long long, "%lld", "lli", check_ll); + simple_numbers_loop(test, unsigned long long, "%llx", "llx", check_ull); + simple_numbers_loop(test, long long, "%llx", "llx", check_ll); + simple_numbers_loop(test, long long, "0x%llx", "lli", check_ll); + simple_numbers_loop(test, unsigned long long, "0x%llx", "llx", check_ull); + simple_numbers_loop(test, long long, "0x%llx", "llx", check_ll); + + simple_numbers_loop(test, unsigned long, "%lu", "lu", check_ulong); + simple_numbers_loop(test, long, "%ld", "ld", check_long); + simple_numbers_loop(test, long, "%ld", "li", check_long); + simple_numbers_loop(test, unsigned long, "%lx", "lx", check_ulong); + simple_numbers_loop(test, long, "%lx", "lx", check_long); + simple_numbers_loop(test, long, "0x%lx", "li", check_long); + simple_numbers_loop(test, unsigned long, "0x%lx", "lx", check_ulong); + simple_numbers_loop(test, long, "0x%lx", "lx", check_long); + + simple_numbers_loop(test, unsigned int, "%u", "u", check_uint); + simple_numbers_loop(test, int, "%d", "d", check_int); + simple_numbers_loop(test, int, "%d", "i", check_int); + simple_numbers_loop(test, unsigned int, "%x", "x", check_uint); + simple_numbers_loop(test, int, "%x", "x", check_int); + simple_numbers_loop(test, int, "0x%x", "i", check_int); + simple_numbers_loop(test, unsigned int, "0x%x", "x", check_uint); + simple_numbers_loop(test, int, "0x%x", "x", check_int); + + simple_numbers_loop(test, unsigned short, "%hu", "hu", check_ushort); + simple_numbers_loop(test, short, "%hd", "hd", check_short); + simple_numbers_loop(test, short, "%hd", "hi", check_short); + simple_numbers_loop(test, unsigned short, "%hx", "hx", check_ushort); + simple_numbers_loop(test, short, "%hx", "hx", check_short); + simple_numbers_loop(test, short, "0x%hx", "hi", check_short); + simple_numbers_loop(test, unsigned short, "0x%hx", "hx", check_ushort); + simple_numbers_loop(test, short, "0x%hx", "hx", check_short); + + simple_numbers_loop(test, unsigned char, "%hhu", "hhu", check_uchar); + simple_numbers_loop(test, signed char, "%hhd", "hhd", check_char); + simple_numbers_loop(test, signed char, "%hhd", "hhi", check_char); + simple_numbers_loop(test, unsigned char, "%hhx", "hhx", check_uchar); + simple_numbers_loop(test, signed char, "%hhx", "hhx", check_char); + simple_numbers_loop(test, signed char, "0x%hhx", "hhi", check_char); + simple_numbers_loop(test, unsigned char, "0x%hhx", "hhx", check_uchar); + simple_numbers_loop(test, signed char, "0x%hhx", "hhx", check_char); } /* @@ -267,14 +242,14 @@ static void __init numbers_simple(void) * the raw prandom*() functions (Not mathematically rigorous!!). * Variabilty of length and value is more important than perfect randomness. */ -static u32 __init next_test_random(u32 max_bits) +static u32 next_test_random(u32 max_bits) { u32 n_bits = hweight32(prandom_u32_state(&rnd_state)) % (max_bits + 1); return prandom_u32_state(&rnd_state) & GENMASK(n_bits, 0); } -static unsigned long long __init next_test_random_ull(void) +static unsigned long long next_test_random_ull(void) { u32 rand1 = prandom_u32_state(&rnd_state); u32 n_bits = (hweight32(rand1) * 3) % 64; @@ -311,7 +286,7 @@ do { \ * updating buf_pos and returning the number of characters appended. * On error buf_pos is not changed and return value is 0. */ -static int __init __printf(4, 5) +static int __printf(4, 5) append_fmt(char *buf, int *buf_pos, int buf_len, const char *val_fmt, ...) { va_list ap; @@ -333,7 +308,7 @@ append_fmt(char *buf, int *buf_pos, int buf_len, const char *val_fmt, ...) * Convenience function to append the field delimiter string * to both the value string and format string buffers. */ -static void __init append_delim(char *str_buf, int *str_buf_pos, int str_buf_len, +static void append_delim(char *str_buf, int *str_buf_pos, int str_buf_len, char *fmt_buf, int *fmt_buf_pos, int fmt_buf_len, const char *delim_str) { @@ -341,15 +316,15 @@ static void __init append_delim(char *str_buf, int *str_buf_pos, int str_buf_len append_fmt(fmt_buf, fmt_buf_pos, fmt_buf_len, delim_str); } -#define test_array_8(fn, check_data, string, fmt, arr) \ +#define test_array_8(test, fn, check_data, string, fmt, arr) \ do { \ BUILD_BUG_ON(ARRAY_SIZE(arr) != 8); \ - _test(fn, check_data, string, fmt, 8, \ + _test(test, fn, check_data, string, fmt, 8, \ &(arr)[0], &(arr)[1], &(arr)[2], &(arr)[3], \ &(arr)[4], &(arr)[5], &(arr)[6], &(arr)[7]); \ } while (0) -#define numbers_list_8(T, gen_fmt, field_sep, scan_fmt, fn) \ +#define numbers_list_8(test, T, gen_fmt, field_sep, scan_fmt, fn) \ do { \ int i, pos = 0, fmt_pos = 0; \ T expect[8], result[8]; \ @@ -366,18 +341,18 @@ do { \ append_fmt(fmt_buffer, &fmt_pos, BUF_SIZE, "%%%s", scan_fmt); \ } \ \ - test_array_8(fn, expect, test_buffer, fmt_buffer, result); \ + test_array_8(test, fn, expect, test_buffer, fmt_buffer, result); \ } while (0) -#define numbers_list_fix_width(T, gen_fmt, field_sep, width, scan_fmt, fn) \ +#define numbers_list_fix_width(test, T, gen_fmt, field_sep, width, scan_fmt, fn)\ do { \ char full_fmt[16]; \ \ snprintf(full_fmt, sizeof(full_fmt), "%u%s", width, scan_fmt); \ - numbers_list_8(T, gen_fmt, field_sep, full_fmt, fn); \ + numbers_list_8(test, T, gen_fmt, field_sep, full_fmt, fn); \ } while (0) -#define numbers_list_val_width(T, gen_fmt, field_sep, scan_fmt, fn) \ +#define numbers_list_val_width(test, T, gen_fmt, field_sep, scan_fmt, fn) \ do { \ int i, val_len, pos = 0, fmt_pos = 0; \ T expect[8], result[8]; \ @@ -395,201 +370,201 @@ do { \ "%%%u%s", val_len, scan_fmt); \ } \ \ - test_array_8(fn, expect, test_buffer, fmt_buffer, result); \ + test_array_8(test, fn, expect, test_buffer, fmt_buffer, result); \ } while (0) -static void __init numbers_list_ll(const char *delim) +static void numbers_list_ll(struct kunit *test, const char *delim) { - numbers_list_8(unsigned long long, "%llu", delim, "llu", check_ull); - numbers_list_8(long long, "%lld", delim, "lld", check_ll); - numbers_list_8(long long, "%lld", delim, "lli", check_ll); - numbers_list_8(unsigned long long, "%llx", delim, "llx", check_ull); - numbers_list_8(unsigned long long, "0x%llx", delim, "llx", check_ull); - numbers_list_8(long long, "0x%llx", delim, "lli", check_ll); + numbers_list_8(test, unsigned long long, "%llu", delim, "llu", check_ull); + numbers_list_8(test, long long, "%lld", delim, "lld", check_ll); + numbers_list_8(test, long long, "%lld", delim, "lli", check_ll); + numbers_list_8(test, unsigned long long, "%llx", delim, "llx", check_ull); + numbers_list_8(test, unsigned long long, "0x%llx", delim, "llx", check_ull); + numbers_list_8(test, long long, "0x%llx", delim, "lli", check_ll); } -static void __init numbers_list_l(const char *delim) +static void numbers_list_l(struct kunit *test, const char *delim) { - numbers_list_8(unsigned long, "%lu", delim, "lu", check_ulong); - numbers_list_8(long, "%ld", delim, "ld", check_long); - numbers_list_8(long, "%ld", delim, "li", check_long); - numbers_list_8(unsigned long, "%lx", delim, "lx", check_ulong); - numbers_list_8(unsigned long, "0x%lx", delim, "lx", check_ulong); - numbers_list_8(long, "0x%lx", delim, "li", check_long); + numbers_list_8(test, unsigned long, "%lu", delim, "lu", check_ulong); + numbers_list_8(test, long, "%ld", delim, "ld", check_long); + numbers_list_8(test, long, "%ld", delim, "li", check_long); + numbers_list_8(test, unsigned long, "%lx", delim, "lx", check_ulong); + numbers_list_8(test, unsigned long, "0x%lx", delim, "lx", check_ulong); + numbers_list_8(test, long, "0x%lx", delim, "li", check_long); } -static void __init numbers_list_d(const char *delim) +static void numbers_list_d(struct kunit *test, const char *delim) { - numbers_list_8(unsigned int, "%u", delim, "u", check_uint); - numbers_list_8(int, "%d", delim, "d", check_int); - numbers_list_8(int, "%d", delim, "i", check_int); - numbers_list_8(unsigned int, "%x", delim, "x", check_uint); - numbers_list_8(unsigned int, "0x%x", delim, "x", check_uint); - numbers_list_8(int, "0x%x", delim, "i", check_int); + numbers_list_8(test, unsigned int, "%u", delim, "u", check_uint); + numbers_list_8(test, int, "%d", delim, "d", check_int); + numbers_list_8(test, int, "%d", delim, "i", check_int); + numbers_list_8(test, unsigned int, "%x", delim, "x", check_uint); + numbers_list_8(test, unsigned int, "0x%x", delim, "x", check_uint); + numbers_list_8(test, int, "0x%x", delim, "i", check_int); } -static void __init numbers_list_h(const char *delim) +static void numbers_list_h(struct kunit *test, const char *delim) { - numbers_list_8(unsigned short, "%hu", delim, "hu", check_ushort); - numbers_list_8(short, "%hd", delim, "hd", check_short); - numbers_list_8(short, "%hd", delim, "hi", check_short); - numbers_list_8(unsigned short, "%hx", delim, "hx", check_ushort); - numbers_list_8(unsigned short, "0x%hx", delim, "hx", check_ushort); - numbers_list_8(short, "0x%hx", delim, "hi", check_short); + numbers_list_8(test, unsigned short, "%hu", delim, "hu", check_ushort); + numbers_list_8(test, short, "%hd", delim, "hd", check_short); + numbers_list_8(test, short, "%hd", delim, "hi", check_short); + numbers_list_8(test, unsigned short, "%hx", delim, "hx", check_ushort); + numbers_list_8(test, unsigned short, "0x%hx", delim, "hx", check_ushort); + numbers_list_8(test, short, "0x%hx", delim, "hi", check_short); } -static void __init numbers_list_hh(const char *delim) +static void numbers_list_hh(struct kunit *test, const char *delim) { - numbers_list_8(unsigned char, "%hhu", delim, "hhu", check_uchar); - numbers_list_8(signed char, "%hhd", delim, "hhd", check_char); - numbers_list_8(signed char, "%hhd", delim, "hhi", check_char); - numbers_list_8(unsigned char, "%hhx", delim, "hhx", check_uchar); - numbers_list_8(unsigned char, "0x%hhx", delim, "hhx", check_uchar); - numbers_list_8(signed char, "0x%hhx", delim, "hhi", check_char); + numbers_list_8(test, unsigned char, "%hhu", delim, "hhu", check_uchar); + numbers_list_8(test, signed char, "%hhd", delim, "hhd", check_char); + numbers_list_8(test, signed char, "%hhd", delim, "hhi", check_char); + numbers_list_8(test, unsigned char, "%hhx", delim, "hhx", check_uchar); + numbers_list_8(test, unsigned char, "0x%hhx", delim, "hhx", check_uchar); + numbers_list_8(test, signed char, "0x%hhx", delim, "hhi", check_char); } -static void __init numbers_list(const char *delim) +static void numbers_list(struct kunit *test, const char *delim) { - numbers_list_ll(delim); - numbers_list_l(delim); - numbers_list_d(delim); - numbers_list_h(delim); - numbers_list_hh(delim); + numbers_list_ll(test, delim); + numbers_list_l(test, delim); + numbers_list_d(test, delim); + numbers_list_h(test, delim); + numbers_list_hh(test, delim); } -static void __init numbers_list_field_width_ll(const char *delim) +static void numbers_list_field_width_ll(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned long long, "%llu", delim, 20, "llu", check_ull); - numbers_list_fix_width(long long, "%lld", delim, 20, "lld", check_ll); - numbers_list_fix_width(long long, "%lld", delim, 20, "lli", check_ll); - numbers_list_fix_width(unsigned long long, "%llx", delim, 16, "llx", check_ull); - numbers_list_fix_width(unsigned long long, "0x%llx", delim, 18, "llx", check_ull); - numbers_list_fix_width(long long, "0x%llx", delim, 18, "lli", check_ll); + numbers_list_fix_width(test, unsigned long long, "%llu", delim, 20, "llu", check_ull); + numbers_list_fix_width(test, long long, "%lld", delim, 20, "lld", check_ll); + numbers_list_fix_width(test, long long, "%lld", delim, 20, "lli", check_ll); + numbers_list_fix_width(test, unsigned long long, "%llx", delim, 16, "llx", check_ull); + numbers_list_fix_width(test, unsigned long long, "0x%llx", delim, 18, "llx", check_ull); + numbers_list_fix_width(test, long long, "0x%llx", delim, 18, "lli", check_ll); } -static void __init numbers_list_field_width_l(const char *delim) +static void numbers_list_field_width_l(struct kunit *test, const char *delim) { #if BITS_PER_LONG == 64 - numbers_list_fix_width(unsigned long, "%lu", delim, 20, "lu", check_ulong); - numbers_list_fix_width(long, "%ld", delim, 20, "ld", check_long); - numbers_list_fix_width(long, "%ld", delim, 20, "li", check_long); - numbers_list_fix_width(unsigned long, "%lx", delim, 16, "lx", check_ulong); - numbers_list_fix_width(unsigned long, "0x%lx", delim, 18, "lx", check_ulong); - numbers_list_fix_width(long, "0x%lx", delim, 18, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lu", delim, 20, "lu", check_ulong); + numbers_list_fix_width(test, long, "%ld", delim, 20, "ld", check_long); + numbers_list_fix_width(test, long, "%ld", delim, 20, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lx", delim, 16, "lx", check_ulong); + numbers_list_fix_width(test, unsigned long, "0x%lx", delim, 18, "lx", check_ulong); + numbers_list_fix_width(test, long, "0x%lx", delim, 18, "li", check_long); #else - numbers_list_fix_width(unsigned long, "%lu", delim, 10, "lu", check_ulong); - numbers_list_fix_width(long, "%ld", delim, 11, "ld", check_long); - numbers_list_fix_width(long, "%ld", delim, 11, "li", check_long); - numbers_list_fix_width(unsigned long, "%lx", delim, 8, "lx", check_ulong); - numbers_list_fix_width(unsigned long, "0x%lx", delim, 10, "lx", check_ulong); - numbers_list_fix_width(long, "0x%lx", delim, 10, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lu", delim, 10, "lu", check_ulong); + numbers_list_fix_width(test, long, "%ld", delim, 11, "ld", check_long); + numbers_list_fix_width(test, long, "%ld", delim, 11, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lx", delim, 8, "lx", check_ulong); + numbers_list_fix_width(test, unsigned long, "0x%lx", delim, 10, "lx", check_ulong); + numbers_list_fix_width(test, long, "0x%lx", delim, 10, "li", check_long); #endif } -static void __init numbers_list_field_width_d(const char *delim) +static void numbers_list_field_width_d(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned int, "%u", delim, 10, "u", check_uint); - numbers_list_fix_width(int, "%d", delim, 11, "d", check_int); - numbers_list_fix_width(int, "%d", delim, 11, "i", check_int); - numbers_list_fix_width(unsigned int, "%x", delim, 8, "x", check_uint); - numbers_list_fix_width(unsigned int, "0x%x", delim, 10, "x", check_uint); - numbers_list_fix_width(int, "0x%x", delim, 10, "i", check_int); + numbers_list_fix_width(test, unsigned int, "%u", delim, 10, "u", check_uint); + numbers_list_fix_width(test, int, "%d", delim, 11, "d", check_int); + numbers_list_fix_width(test, int, "%d", delim, 11, "i", check_int); + numbers_list_fix_width(test, unsigned int, "%x", delim, 8, "x", check_uint); + numbers_list_fix_width(test, unsigned int, "0x%x", delim, 10, "x", check_uint); + numbers_list_fix_width(test, int, "0x%x", delim, 10, "i", check_int); } -static void __init numbers_list_field_width_h(const char *delim) +static void numbers_list_field_width_h(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned short, "%hu", delim, 5, "hu", check_ushort); - numbers_list_fix_width(short, "%hd", delim, 6, "hd", check_short); - numbers_list_fix_width(short, "%hd", delim, 6, "hi", check_short); - numbers_list_fix_width(unsigned short, "%hx", delim, 4, "hx", check_ushort); - numbers_list_fix_width(unsigned short, "0x%hx", delim, 6, "hx", check_ushort); - numbers_list_fix_width(short, "0x%hx", delim, 6, "hi", check_short); + numbers_list_fix_width(test, unsigned short, "%hu", delim, 5, "hu", check_ushort); + numbers_list_fix_width(test, short, "%hd", delim, 6, "hd", check_short); + numbers_list_fix_width(test, short, "%hd", delim, 6, "hi", check_short); + numbers_list_fix_width(test, unsigned short, "%hx", delim, 4, "hx", check_ushort); + numbers_list_fix_width(test, unsigned short, "0x%hx", delim, 6, "hx", check_ushort); + numbers_list_fix_width(test, short, "0x%hx", delim, 6, "hi", check_short); } -static void __init numbers_list_field_width_hh(const char *delim) +static void numbers_list_field_width_hh(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned char, "%hhu", delim, 3, "hhu", check_uchar); - numbers_list_fix_width(signed char, "%hhd", delim, 4, "hhd", check_char); - numbers_list_fix_width(signed char, "%hhd", delim, 4, "hhi", check_char); - numbers_list_fix_width(unsigned char, "%hhx", delim, 2, "hhx", check_uchar); - numbers_list_fix_width(unsigned char, "0x%hhx", delim, 4, "hhx", check_uchar); - numbers_list_fix_width(signed char, "0x%hhx", delim, 4, "hhi", check_char); + numbers_list_fix_width(test, unsigned char, "%hhu", delim, 3, "hhu", check_uchar); + numbers_list_fix_width(test, signed char, "%hhd", delim, 4, "hhd", check_char); + numbers_list_fix_width(test, signed char, "%hhd", delim, 4, "hhi", check_char); + numbers_list_fix_width(test, unsigned char, "%hhx", delim, 2, "hhx", check_uchar); + numbers_list_fix_width(test, unsigned char, "0x%hhx", delim, 4, "hhx", check_uchar); + numbers_list_fix_width(test, signed char, "0x%hhx", delim, 4, "hhi", check_char); } /* * List of numbers separated by delim. Each field width specifier is the * maximum possible digits for the given type and base. */ -static void __init numbers_list_field_width_typemax(const char *delim) +static void numbers_list_field_width_typemax(struct kunit *test, const char *delim) { - numbers_list_field_width_ll(delim); - numbers_list_field_width_l(delim); - numbers_list_field_width_d(delim); - numbers_list_field_width_h(delim); - numbers_list_field_width_hh(delim); + numbers_list_field_width_ll(test, delim); + numbers_list_field_width_l(test, delim); + numbers_list_field_width_d(test, delim); + numbers_list_field_width_h(test, delim); + numbers_list_field_width_hh(test, delim); } -static void __init numbers_list_field_width_val_ll(const char *delim) +static void numbers_list_field_width_val_ll(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned long long, "%llu", delim, "llu", check_ull); - numbers_list_val_width(long long, "%lld", delim, "lld", check_ll); - numbers_list_val_width(long long, "%lld", delim, "lli", check_ll); - numbers_list_val_width(unsigned long long, "%llx", delim, "llx", check_ull); - numbers_list_val_width(unsigned long long, "0x%llx", delim, "llx", check_ull); - numbers_list_val_width(long long, "0x%llx", delim, "lli", check_ll); + numbers_list_val_width(test, unsigned long long, "%llu", delim, "llu", check_ull); + numbers_list_val_width(test, long long, "%lld", delim, "lld", check_ll); + numbers_list_val_width(test, long long, "%lld", delim, "lli", check_ll); + numbers_list_val_width(test, unsigned long long, "%llx", delim, "llx", check_ull); + numbers_list_val_width(test, unsigned long long, "0x%llx", delim, "llx", check_ull); + numbers_list_val_width(test, long long, "0x%llx", delim, "lli", check_ll); } -static void __init numbers_list_field_width_val_l(const char *delim) +static void numbers_list_field_width_val_l(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned long, "%lu", delim, "lu", check_ulong); - numbers_list_val_width(long, "%ld", delim, "ld", check_long); - numbers_list_val_width(long, "%ld", delim, "li", check_long); - numbers_list_val_width(unsigned long, "%lx", delim, "lx", check_ulong); - numbers_list_val_width(unsigned long, "0x%lx", delim, "lx", check_ulong); - numbers_list_val_width(long, "0x%lx", delim, "li", check_long); + numbers_list_val_width(test, unsigned long, "%lu", delim, "lu", check_ulong); + numbers_list_val_width(test, long, "%ld", delim, "ld", check_long); + numbers_list_val_width(test, long, "%ld", delim, "li", check_long); + numbers_list_val_width(test, unsigned long, "%lx", delim, "lx", check_ulong); + numbers_list_val_width(test, unsigned long, "0x%lx", delim, "lx", check_ulong); + numbers_list_val_width(test, long, "0x%lx", delim, "li", check_long); } -static void __init numbers_list_field_width_val_d(const char *delim) +static void numbers_list_field_width_val_d(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned int, "%u", delim, "u", check_uint); - numbers_list_val_width(int, "%d", delim, "d", check_int); - numbers_list_val_width(int, "%d", delim, "i", check_int); - numbers_list_val_width(unsigned int, "%x", delim, "x", check_uint); - numbers_list_val_width(unsigned int, "0x%x", delim, "x", check_uint); - numbers_list_val_width(int, "0x%x", delim, "i", check_int); + numbers_list_val_width(test, unsigned int, "%u", delim, "u", check_uint); + numbers_list_val_width(test, int, "%d", delim, "d", check_int); + numbers_list_val_width(test, int, "%d", delim, "i", check_int); + numbers_list_val_width(test, unsigned int, "%x", delim, "x", check_uint); + numbers_list_val_width(test, unsigned int, "0x%x", delim, "x", check_uint); + numbers_list_val_width(test, int, "0x%x", delim, "i", check_int); } -static void __init numbers_list_field_width_val_h(const char *delim) +static void numbers_list_field_width_val_h(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned short, "%hu", delim, "hu", check_ushort); - numbers_list_val_width(short, "%hd", delim, "hd", check_short); - numbers_list_val_width(short, "%hd", delim, "hi", check_short); - numbers_list_val_width(unsigned short, "%hx", delim, "hx", check_ushort); - numbers_list_val_width(unsigned short, "0x%hx", delim, "hx", check_ushort); - numbers_list_val_width(short, "0x%hx", delim, "hi", check_short); + numbers_list_val_width(test, unsigned short, "%hu", delim, "hu", check_ushort); + numbers_list_val_width(test, short, "%hd", delim, "hd", check_short); + numbers_list_val_width(test, short, "%hd", delim, "hi", check_short); + numbers_list_val_width(test, unsigned short, "%hx", delim, "hx", check_ushort); + numbers_list_val_width(test, unsigned short, "0x%hx", delim, "hx", check_ushort); + numbers_list_val_width(test, short, "0x%hx", delim, "hi", check_short); } -static void __init numbers_list_field_width_val_hh(const char *delim) +static void numbers_list_field_width_val_hh(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned char, "%hhu", delim, "hhu", check_uchar); - numbers_list_val_width(signed char, "%hhd", delim, "hhd", check_char); - numbers_list_val_width(signed char, "%hhd", delim, "hhi", check_char); - numbers_list_val_width(unsigned char, "%hhx", delim, "hhx", check_uchar); - numbers_list_val_width(unsigned char, "0x%hhx", delim, "hhx", check_uchar); - numbers_list_val_width(signed char, "0x%hhx", delim, "hhi", check_char); + numbers_list_val_width(test, unsigned char, "%hhu", delim, "hhu", check_uchar); + numbers_list_val_width(test, signed char, "%hhd", delim, "hhd", check_char); + numbers_list_val_width(test, signed char, "%hhd", delim, "hhi", check_char); + numbers_list_val_width(test, unsigned char, "%hhx", delim, "hhx", check_uchar); + numbers_list_val_width(test, unsigned char, "0x%hhx", delim, "hhx", check_uchar); + numbers_list_val_width(test, signed char, "0x%hhx", delim, "hhi", check_char); } /* * List of numbers separated by delim. Each field width specifier is the * exact length of the corresponding value digits in the string being scanned. */ -static void __init numbers_list_field_width_val_width(const char *delim) +static void numbers_list_field_width_val_width(struct kunit *test, const char *delim) { - numbers_list_field_width_val_ll(delim); - numbers_list_field_width_val_l(delim); - numbers_list_field_width_val_d(delim); - numbers_list_field_width_val_h(delim); - numbers_list_field_width_val_hh(delim); + numbers_list_field_width_val_ll(test, delim); + numbers_list_field_width_val_l(test, delim); + numbers_list_field_width_val_d(test, delim); + numbers_list_field_width_val_h(test, delim); + numbers_list_field_width_val_hh(test, delim); } /* @@ -598,67 +573,67 @@ static void __init numbers_list_field_width_val_width(const char *delim) * of digits. For example the hex values c0,3,bf01,303 would have a * string representation of "c03bf01303" and extracted with "%2x%1x%4x%3x". */ -static void __init numbers_slice(void) +static void numbers_slice(struct kunit *test) { - numbers_list_field_width_val_width(""); + numbers_list_field_width_val_width(test, ""); } -#define test_number_prefix(T, str, scan_fmt, expect0, expect1, n_args, fn) \ +#define test_number_prefix(test, T, str, scan_fmt, expect0, expect1, n_args, fn)\ do { \ const T expect[2] = { expect0, expect1 }; \ T result[2] = { (T)~expect[0], (T)~expect[1] }; \ \ - _test(fn, &expect, str, scan_fmt, n_args, &result[0], &result[1]); \ + _test(test, fn, &expect, str, scan_fmt, n_args, &result[0], &result[1]);\ } while (0) /* * Number prefix is >= field width. * Expected behaviour is derived from testing userland sscanf. */ -static void __init numbers_prefix_overflow(void) +static void numbers_prefix_overflow(struct kunit *test) { /* * Negative decimal with a field of width 1, should quit scanning * and return 0. */ - test_number_prefix(long long, "-1 1", "%1lld %lld", 0, 0, 0, check_ll); - test_number_prefix(long, "-1 1", "%1ld %ld", 0, 0, 0, check_long); - test_number_prefix(int, "-1 1", "%1d %d", 0, 0, 0, check_int); - test_number_prefix(short, "-1 1", "%1hd %hd", 0, 0, 0, check_short); - test_number_prefix(signed char, "-1 1", "%1hhd %hhd", 0, 0, 0, check_char); - - test_number_prefix(long long, "-1 1", "%1lli %lli", 0, 0, 0, check_ll); - test_number_prefix(long, "-1 1", "%1li %li", 0, 0, 0, check_long); - test_number_prefix(int, "-1 1", "%1i %i", 0, 0, 0, check_int); - test_number_prefix(short, "-1 1", "%1hi %hi", 0, 0, 0, check_short); - test_number_prefix(signed char, "-1 1", "%1hhi %hhi", 0, 0, 0, check_char); + test_number_prefix(test, long long, "-1 1", "%1lld %lld", 0, 0, 0, check_ll); + test_number_prefix(test, long, "-1 1", "%1ld %ld", 0, 0, 0, check_long); + test_number_prefix(test, int, "-1 1", "%1d %d", 0, 0, 0, check_int); + test_number_prefix(test, short, "-1 1", "%1hd %hd", 0, 0, 0, check_short); + test_number_prefix(test, signed char, "-1 1", "%1hhd %hhd", 0, 0, 0, check_char); + + test_number_prefix(test, long long, "-1 1", "%1lli %lli", 0, 0, 0, check_ll); + test_number_prefix(test, long, "-1 1", "%1li %li", 0, 0, 0, check_long); + test_number_prefix(test, int, "-1 1", "%1i %i", 0, 0, 0, check_int); + test_number_prefix(test, short, "-1 1", "%1hi %hi", 0, 0, 0, check_short); + test_number_prefix(test, signed char, "-1 1", "%1hhi %hhi", 0, 0, 0, check_char); /* * 0x prefix in a field of width 1: 0 is a valid digit so should * convert. Next field scan starts at the 'x' which isn't a digit so * scan quits with one field converted. */ - test_number_prefix(unsigned long long, "0xA7", "%1llx%llx", 0, 0, 1, check_ull); - test_number_prefix(unsigned long, "0xA7", "%1lx%lx", 0, 0, 1, check_ulong); - test_number_prefix(unsigned int, "0xA7", "%1x%x", 0, 0, 1, check_uint); - test_number_prefix(unsigned short, "0xA7", "%1hx%hx", 0, 0, 1, check_ushort); - test_number_prefix(unsigned char, "0xA7", "%1hhx%hhx", 0, 0, 1, check_uchar); - test_number_prefix(long long, "0xA7", "%1lli%llx", 0, 0, 1, check_ll); - test_number_prefix(long, "0xA7", "%1li%lx", 0, 0, 1, check_long); - test_number_prefix(int, "0xA7", "%1i%x", 0, 0, 1, check_int); - test_number_prefix(short, "0xA7", "%1hi%hx", 0, 0, 1, check_short); - test_number_prefix(char, "0xA7", "%1hhi%hhx", 0, 0, 1, check_char); + test_number_prefix(test, unsigned long long, "0xA7", "%1llx%llx", 0, 0, 1, check_ull); + test_number_prefix(test, unsigned long, "0xA7", "%1lx%lx", 0, 0, 1, check_ulong); + test_number_prefix(test, unsigned int, "0xA7", "%1x%x", 0, 0, 1, check_uint); + test_number_prefix(test, unsigned short, "0xA7", "%1hx%hx", 0, 0, 1, check_ushort); + test_number_prefix(test, unsigned char, "0xA7", "%1hhx%hhx", 0, 0, 1, check_uchar); + test_number_prefix(test, long long, "0xA7", "%1lli%llx", 0, 0, 1, check_ll); + test_number_prefix(test, long, "0xA7", "%1li%lx", 0, 0, 1, check_long); + test_number_prefix(test, int, "0xA7", "%1i%x", 0, 0, 1, check_int); + test_number_prefix(test, short, "0xA7", "%1hi%hx", 0, 0, 1, check_short); + test_number_prefix(test, char, "0xA7", "%1hhi%hhx", 0, 0, 1, check_char); /* * 0x prefix in a field of width 2 using %x conversion: first field * converts to 0. Next field scan starts at the character after "0x". * Both fields will convert. */ - test_number_prefix(unsigned long long, "0xA7", "%2llx%llx", 0, 0xa7, 2, check_ull); - test_number_prefix(unsigned long, "0xA7", "%2lx%lx", 0, 0xa7, 2, check_ulong); - test_number_prefix(unsigned int, "0xA7", "%2x%x", 0, 0xa7, 2, check_uint); - test_number_prefix(unsigned short, "0xA7", "%2hx%hx", 0, 0xa7, 2, check_ushort); - test_number_prefix(unsigned char, "0xA7", "%2hhx%hhx", 0, 0xa7, 2, check_uchar); + test_number_prefix(test, unsigned long long, "0xA7", "%2llx%llx", 0, 0xa7, 2, check_ull); + test_number_prefix(test, unsigned long, "0xA7", "%2lx%lx", 0, 0xa7, 2, check_ulong); + test_number_prefix(test, unsigned int, "0xA7", "%2x%x", 0, 0xa7, 2, check_uint); + test_number_prefix(test, unsigned short, "0xA7", "%2hx%hx", 0, 0xa7, 2, check_ushort); + test_number_prefix(test, unsigned char, "0xA7", "%2hhx%hhx", 0, 0xa7, 2, check_uchar); /* * 0x prefix in a field of width 2 using %i conversion: first field @@ -666,124 +641,112 @@ static void __init numbers_prefix_overflow(void) * which will convert if can be interpreted as decimal but will fail * if it contains any hex digits (since no 0x prefix). */ - test_number_prefix(long long, "0x67", "%2lli%lli", 0, 67, 2, check_ll); - test_number_prefix(long, "0x67", "%2li%li", 0, 67, 2, check_long); - test_number_prefix(int, "0x67", "%2i%i", 0, 67, 2, check_int); - test_number_prefix(short, "0x67", "%2hi%hi", 0, 67, 2, check_short); - test_number_prefix(char, "0x67", "%2hhi%hhi", 0, 67, 2, check_char); - - test_number_prefix(long long, "0xA7", "%2lli%lli", 0, 0, 1, check_ll); - test_number_prefix(long, "0xA7", "%2li%li", 0, 0, 1, check_long); - test_number_prefix(int, "0xA7", "%2i%i", 0, 0, 1, check_int); - test_number_prefix(short, "0xA7", "%2hi%hi", 0, 0, 1, check_short); - test_number_prefix(char, "0xA7", "%2hhi%hhi", 0, 0, 1, check_char); -} - -#define _test_simple_strtoxx(T, fn, gen_fmt, expect, base) \ -do { \ - T got; \ - char *endp; \ - int len; \ - bool fail = false; \ - \ - total_tests++; \ - len = snprintf(test_buffer, BUF_SIZE, gen_fmt, expect); \ - got = (fn)(test_buffer, &endp, base); \ - pr_debug(#fn "(\"%s\", %d) -> " gen_fmt "\n", test_buffer, base, got); \ - if (got != (expect)) { \ - fail = true; \ - pr_warn(#fn "(\"%s\", %d): got " gen_fmt " expected " gen_fmt "\n", \ - test_buffer, base, got, expect); \ - } else if (endp != test_buffer + len) { \ - fail = true; \ - pr_warn(#fn "(\"%s\", %d) startp=0x%px got endp=0x%px expected 0x%px\n", \ - test_buffer, base, test_buffer, \ - test_buffer + len, endp); \ - } \ - \ - if (fail) \ - failed_tests++; \ + test_number_prefix(test, long long, "0x67", "%2lli%lli", 0, 67, 2, check_ll); + test_number_prefix(test, long, "0x67", "%2li%li", 0, 67, 2, check_long); + test_number_prefix(test, int, "0x67", "%2i%i", 0, 67, 2, check_int); + test_number_prefix(test, short, "0x67", "%2hi%hi", 0, 67, 2, check_short); + test_number_prefix(test, char, "0x67", "%2hhi%hhi", 0, 67, 2, check_char); + + test_number_prefix(test, long long, "0xA7", "%2lli%lli", 0, 0, 1, check_ll); + test_number_prefix(test, long, "0xA7", "%2li%li", 0, 0, 1, check_long); + test_number_prefix(test, int, "0xA7", "%2i%i", 0, 0, 1, check_int); + test_number_prefix(test, short, "0xA7", "%2hi%hi", 0, 0, 1, check_short); + test_number_prefix(test, char, "0xA7", "%2hhi%hhi", 0, 0, 1, check_char); +} + +#define _test_simple_strtoxx(test, T, fn, gen_fmt, expect, base) \ +do { \ + T got; \ + char *endp; \ + int len; \ + \ + len = snprintf(test_buffer, BUF_SIZE, gen_fmt, expect); \ + got = (fn)(test_buffer, &endp, base); \ + pr_debug(#fn "(\"%s\", %d) -> " gen_fmt "\n", test_buffer, base, got); \ + KUNIT_EXPECT_EQ_MSG(test, got, expect, #fn "(\"%s\", %d)", test_buffer, base); \ + KUNIT_EXPECT_PTR_EQ_MSG(test, endp, test_buffer + len, \ + #fn "(\"%s\", %d)", test_buffer, base); \ } while (0) -#define test_simple_strtoxx(T, fn, gen_fmt, base) \ +#define test_simple_strtoxx(test, T, fn, gen_fmt, base) \ do { \ int i; \ \ for (i = 0; i < ARRAY_SIZE(numbers); i++) { \ - _test_simple_strtoxx(T, fn, gen_fmt, (T)numbers[i], base); \ + _test_simple_strtoxx(test, T, fn, gen_fmt, (T)numbers[i], base);\ \ if (is_signed_type(T)) \ - _test_simple_strtoxx(T, fn, gen_fmt, \ + _test_simple_strtoxx(test, T, fn, gen_fmt, \ -(T)numbers[i], base); \ } \ } while (0) -static void __init test_simple_strtoull(void) +static void test_simple_strtoull(struct kunit *test) { - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llu", 10); - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llu", 0); - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llx", 16); - test_simple_strtoxx(unsigned long long, simple_strtoull, "0x%llx", 16); - test_simple_strtoxx(unsigned long long, simple_strtoull, "0x%llx", 0); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llu", 10); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llu", 0); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llx", 16); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "0x%llx", 16); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "0x%llx", 0); } -static void __init test_simple_strtoll(void) +static void test_simple_strtoll(struct kunit *test) { - test_simple_strtoxx(long long, simple_strtoll, "%lld", 10); - test_simple_strtoxx(long long, simple_strtoll, "%lld", 0); - test_simple_strtoxx(long long, simple_strtoll, "%llx", 16); - test_simple_strtoxx(long long, simple_strtoll, "0x%llx", 16); - test_simple_strtoxx(long long, simple_strtoll, "0x%llx", 0); + test_simple_strtoxx(test, long long, simple_strtoll, "%lld", 10); + test_simple_strtoxx(test, long long, simple_strtoll, "%lld", 0); + test_simple_strtoxx(test, long long, simple_strtoll, "%llx", 16); + test_simple_strtoxx(test, long long, simple_strtoll, "0x%llx", 16); + test_simple_strtoxx(test, long long, simple_strtoll, "0x%llx", 0); } -static void __init test_simple_strtoul(void) +static void test_simple_strtoul(struct kunit *test) { - test_simple_strtoxx(unsigned long, simple_strtoul, "%lu", 10); - test_simple_strtoxx(unsigned long, simple_strtoul, "%lu", 0); - test_simple_strtoxx(unsigned long, simple_strtoul, "%lx", 16); - test_simple_strtoxx(unsigned long, simple_strtoul, "0x%lx", 16); - test_simple_strtoxx(unsigned long, simple_strtoul, "0x%lx", 0); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lu", 10); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lu", 0); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lx", 16); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "0x%lx", 16); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "0x%lx", 0); } -static void __init test_simple_strtol(void) +static void test_simple_strtol(struct kunit *test) { - test_simple_strtoxx(long, simple_strtol, "%ld", 10); - test_simple_strtoxx(long, simple_strtol, "%ld", 0); - test_simple_strtoxx(long, simple_strtol, "%lx", 16); - test_simple_strtoxx(long, simple_strtol, "0x%lx", 16); - test_simple_strtoxx(long, simple_strtol, "0x%lx", 0); + test_simple_strtoxx(test, long, simple_strtol, "%ld", 10); + test_simple_strtoxx(test, long, simple_strtol, "%ld", 0); + test_simple_strtoxx(test, long, simple_strtol, "%lx", 16); + test_simple_strtoxx(test, long, simple_strtol, "0x%lx", 16); + test_simple_strtoxx(test, long, simple_strtol, "0x%lx", 0); } /* Selection of common delimiters/separators between numbers in a string. */ -static const char * const number_delimiters[] __initconst = { +static const char * const number_delimiters[] = { " ", ":", ",", "-", "/", }; -static void __init test_numbers(void) +static void test_numbers(struct kunit *test) { int i; /* String containing only one number. */ - numbers_simple(); + numbers_simple(test); /* String with multiple numbers separated by delimiter. */ for (i = 0; i < ARRAY_SIZE(number_delimiters); i++) { - numbers_list(number_delimiters[i]); + numbers_list(test, number_delimiters[i]); /* Field width may be longer than actual field digits. */ - numbers_list_field_width_typemax(number_delimiters[i]); + numbers_list_field_width_typemax(test, number_delimiters[i]); /* Each field width exactly length of actual field digits. */ - numbers_list_field_width_val_width(number_delimiters[i]); + numbers_list_field_width_val_width(test, number_delimiters[i]); } /* Slice continuous sequence of digits using field widths. */ - numbers_slice(); + numbers_slice(test); - numbers_prefix_overflow(); + numbers_prefix_overflow(test); } -static void __init selftest(void) +static void scanf_test(struct kunit *test) { test_buffer = kmalloc(BUF_SIZE, GFP_KERNEL); if (!test_buffer) @@ -797,18 +760,29 @@ static void __init selftest(void) prandom_seed_state(&rnd_state, 3141592653589793238ULL); - test_numbers(); + test_numbers(test); - test_simple_strtoull(); - test_simple_strtoll(); - test_simple_strtoul(); - test_simple_strtol(); + test_simple_strtoull(test); + test_simple_strtoll(test); + test_simple_strtoul(test); + test_simple_strtol(test); kfree(fmt_buffer); kfree(test_buffer); } -KSTM_MODULE_LOADERS(test_scanf); +static struct kunit_case scanf_test_cases[] = { + KUNIT_CASE(scanf_test), + {} +}; + +static struct kunit_suite scanf_test_suite = { + .name = "scanf", + .test_cases = scanf_test_cases, +}; + +kunit_test_suite(scanf_test_suite); + MODULE_AUTHOR("Richard Fitzgerald <rf(a)opensource.cirrus.com>"); MODULE_DESCRIPTION("Test cases for sscanf facility"); MODULE_LICENSE("GPL v2"); diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile index c52fe3ad8e98..4afda556151f 100644 --- a/tools/testing/selftests/lib/Makefile +++ b/tools/testing/selftests/lib/Makefile @@ -4,5 +4,5 @@ # No binaries, but make sure arg-less "make" doesn't trigger "run_tests" all: -TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh scanf.sh +TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh include ../lib.mk diff --git a/tools/testing/selftests/lib/config b/tools/testing/selftests/lib/config index dc15aba8d0a3..80b55a504868 100644 --- a/tools/testing/selftests/lib/config +++ b/tools/testing/selftests/lib/config @@ -1,5 +1,4 @@ CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_PRIME_NUMBERS=m CONFIG_TEST_BITOPS=m diff --git a/tools/testing/selftests/lib/scanf.sh b/tools/testing/selftests/lib/scanf.sh deleted file mode 100755 index b59b8ba561c3..000000000000 --- a/tools/testing/selftests/lib/scanf.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# Tests the scanf infrastructure using test_scanf kernel module. -$(dirname $0)/../kselftest/module.sh "scanf" test_scanf --- base-commit: 18fe18c99c8d90d77c7ed6b42f48fa5b4e5c99c3 change-id: 20250131-scanf-kunit-convert-f70dc33bb34c Best regards, -- Tamir Duberstein <tamird(a)gmail.com>

2 months, 2 weeks

2
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[PATCH net-next v3 0/2] netdevgenl: Add an xsk attribute to queues

by Joe Damato

Greetings: Welcome to v3. No functional changes, see changelog below. This is an attempt to followup on something Jakub asked me about [1], adding an xsk attribute to queues and more clearly documenting which queues are linked to NAPIs... After the RFC [2], Jakub suggested creating an empty nest for queues which have a pool, so I've adjusted this version to work that way. The nest can be extended in the future to express attributes about XSK as needed. Queues which are not used for AF_XDP do not have the xsk attribute present. I've run the included test on: - my mlx5 machine (via NETIF=) - without setting NETIF And the test seems to pass in both cases. Thanks, Joe [1]: https://lore.kernel.org/netdev/20250113143109.60afa59a@kernel.org/ [2]: https://lore.kernel.org/netdev/20250129172431.65773-1-jdamato@fastly.com/ v3: - Change comment format in patch 2 to avoid kdoc warnings. No other changes. v2: https://lore.kernel.org/all/20250203185828.19334-1-jdamato@fastly.com/ - Switched from RFC to actual submission now that net-next is open - Adjusted patch 1 to include an empty nest as suggested by Jakub - Adjusted patch 2 to update the test based on changes to patch 1, and to incorporate some Python feedback from Jakub :) rfc: https://lore.kernel.org/netdev/20250129172431.65773-1-jdamato@fastly.com/ Joe Damato (2): netdev-genl: Add an XSK attribute to queues selftests: drv-net: Test queue xsk attribute Documentation/netlink/specs/netdev.yaml | 13 ++- include/uapi/linux/netdev.h | 6 ++ net/core/netdev-genl.c | 11 +++ tools/include/uapi/linux/netdev.h | 6 ++ .../testing/selftests/drivers/net/.gitignore | 2 + tools/testing/selftests/drivers/net/Makefile | 3 + tools/testing/selftests/drivers/net/queues.py | 35 +++++++- .../selftests/drivers/net/xdp_helper.c | 89 +++++++++++++++++++ 8 files changed, 162 insertions(+), 3 deletions(-) create mode 100644 tools/testing/selftests/drivers/net/.gitignore create mode 100644 tools/testing/selftests/drivers/net/xdp_helper.c base-commit: c2933b2befe25309f4c5cfbea0ca80909735fd76 -- 2.43.0

2 months, 2 weeks

1
1
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Previous Message

by Allen Cheng

Good day, I sent you a message a few hours ago but no reply yet, or you didn't receive it? Kindly read my letter and reply back. I want to make an inquiry Thanks. Dr.Allen Cheng Human Resource Manager | Product Research Assistant FC Industrial Laboratories Ltd

2 months, 2 weeks

1
0
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[PATCH] selftests: net: fix grammar in reuseaddr_ports_exhausted.c log message

by Pranav Tyagi

This patch fixes a grammatical error in a test log message in reuseaddr_ports_exhausted.c for better clarity as a part of lfx application tasks Signed-off-by: Pranav Tyagi <pranav.tyagi03(a)gmail.com> --- tools/testing/selftests/net/reuseaddr_ports_exhausted.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/reuseaddr_ports_exhausted.c b/tools/testing/selftests/net/reuseaddr_ports_exhausted.c index 066efd30e294..7b9bf8a7bbe1 100644 --- a/tools/testing/selftests/net/reuseaddr_ports_exhausted.c +++ b/tools/testing/selftests/net/reuseaddr_ports_exhausted.c @@ -112,7 +112,7 @@ TEST(reuseaddr_ports_exhausted_reusable_same_euid) ASSERT_NE(-1, fd[0]) TH_LOG("failed to bind."); if (opts->reuseport[0] && opts->reuseport[1]) { - EXPECT_EQ(-1, fd[1]) TH_LOG("should fail to bind because both sockets succeed to be listened."); + EXPECT_EQ(-1, fd[1]) TH_LOG("should fail to bind because both sockets successfully listened."); } else { EXPECT_NE(-1, fd[1]) TH_LOG("should succeed to bind to connect to different destinations."); } -- 2.47.1

2 months, 2 weeks

1
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[PATCH] KVM: selftests: Fix spelling mistake "initally" -> "initially"

by Colin Ian King

There is a spelling mistake in a literal string and in the function test_get_inital_dirty. Fix them. Signed-off-by: Colin Ian King <colin.i.king(a)gmail.com> --- tools/testing/selftests/kvm/s390/cmma_test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/s390/cmma_test.c b/tools/testing/selftests/kvm/s390/cmma_test.c index e32dd59703a0..85cc8c18d6e7 100644 --- a/tools/testing/selftests/kvm/s390/cmma_test.c +++ b/tools/testing/selftests/kvm/s390/cmma_test.c @@ -444,7 +444,7 @@ static void assert_no_pages_cmma_dirty(struct kvm_vm *vm) ); } -static void test_get_inital_dirty(void) +static void test_get_initial_dirty(void) { struct kvm_vm *vm = create_vm_two_memslots(); struct kvm_vcpu *vcpu; @@ -651,7 +651,7 @@ struct testdef { } testlist[] = { { "migration mode and dirty tracking", test_migration_mode }, { "GET_CMMA_BITS: basic calls", test_get_cmma_basic }, - { "GET_CMMA_BITS: all pages are dirty initally", test_get_inital_dirty }, + { "GET_CMMA_BITS: all pages are dirty initially", test_get_initial_dirty }, { "GET_CMMA_BITS: holes are skipped", test_get_skip_holes }, }; -- 2.47.2

2 months, 2 weeks

3
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[PATCH bpf-next v7 0/5] xsk: TX metadata Launch Time support

by Song Yoong Siang

This series expands the XDP TX metadata framework to allow user applications to pass per packet 64-bit launch time directly to the kernel driver, requesting launch time hardware offload support. The XDP TX metadata framework will not perform any clock conversion or packet reordering. Please note that the role of Tx metadata is just to pass the launch time, not to enable the offload feature. Users will need to enable the launch time hardware offload feature of the device by using the respective command, such as the tc-etf command. Although some devices use the tc-etf command to enable their launch time hardware offload feature, xsk packets will not go through the etf qdisc. Therefore, in my opinion, the launch time should always be based on the PTP Hardware Clock (PHC). Thus, i did not include a clock ID to indicate the clock source. To simplify the test steps, I modified the xdp_hw_metadata bpf self-test tool in such a way that it will set the launch time based on the offset provided by the user and the value of the Receive Hardware Timestamp, which is against the PHC. This will eliminate the need to discipline System Clock with the PHC and then use clock_gettime() to get the time. Please note that AF_XDP lacks a feedback mechanism to inform the application if the requested launch time is invalid. So, users are expected to familiar with the horizon of the launch time of the device they use and not request a launch time that is beyond the horizon. Otherwise, the driver might interpret the launch time incorrectly and react wrongly. For stmmac and igc, where modulo computation is used, a launch time larger than the horizon will cause the device to transmit the packet earlier that the requested launch time. Although there is no feedback mechanism for the launch time request for now, user still can check whether the requested launch time is working or not, by requesting the Transmit Completion Hardware Timestamp. V7: - split the refactoring code of igc empty packet insertion into a separate commit (Faizal) - add explanation on why the value "4" is used as igc transmit budget (Faizal) - perform a stress test by sending 1000 packets with 10ms interval and launch time set to 500us in the future (Faizal & Yong Liang) V6: https://lore.kernel.org/netdev/20250116155350.555374-1-yoong.siang.song@int… - fix selftest build errors by using asprintf() and realloc(), instead of managing the buffer sizes manually (Daniel, Stanislav) V5: https://lore.kernel.org/netdev/20250114152718.120588-1-yoong.siang.song@int… - change netdev feature name from tx-launch-time to tx-launch-time-fifo to explicitly state the FIFO behaviour (Stanislav) - improve the looping of xdp_hw_metadata app to wait for packet tx completion to be more readable by using clock_gettime() (Stanislav) - add launch time setup steps into xdp_hw_metadata app (Stanislav) V4: https://lore.kernel.org/netdev/20250106135506.9687-1-yoong.siang.song@intel… - added XDP launch time support to the igc driver (Jesper & Florian) - added per-driver launch time limitation on xsk-tx-metadata.rst (Jesper) - added explanation on FIFO behavior on xsk-tx-metadata.rst (Jakub) - added step to enable launch time in the commit message (Jesper & Willem) - explicitly documented the type of launch_time and which clock source it is against (Willem) V3: https://lore.kernel.org/netdev/20231203165129.1740512-1-yoong.siang.song@in… - renamed to use launch time (Jesper & Willem) - changed the default launch time in xdp_hw_metadata apps from 1s to 0.1s because some NICs do not support such a large future time. V2: https://lore.kernel.org/netdev/20231201062421.1074768-1-yoong.siang.song@in… - renamed to use Earliest TxTime First (Willem) - renamed to use txtime (Willem) V1: https://lore.kernel.org/netdev/20231130162028.852006-1-yoong.siang.song@int… Song Yoong Siang (5): xsk: Add launch time hardware offload support to XDP Tx metadata selftests/bpf: Add launch time request to xdp_hw_metadata net: stmmac: Add launch time support to XDP ZC igc: Refactor empty packet insertion into a reusable function igc: Add launch time support to XDP ZC Documentation/netlink/specs/netdev.yaml | 4 + Documentation/networking/xsk-tx-metadata.rst | 62 +++++++ drivers/net/ethernet/intel/igc/igc_main.c | 84 ++++++--- drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 + .../net/ethernet/stmicro/stmmac/stmmac_main.c | 13 ++ include/net/xdp_sock.h | 10 ++ include/net/xdp_sock_drv.h | 1 + include/uapi/linux/if_xdp.h | 10 ++ include/uapi/linux/netdev.h | 3 + net/core/netdev-genl.c | 2 + net/xdp/xsk.c | 3 + tools/include/uapi/linux/if_xdp.h | 10 ++ tools/include/uapi/linux/netdev.h | 3 + tools/testing/selftests/bpf/xdp_hw_metadata.c | 168 +++++++++++++++++- 14 files changed, 348 insertions(+), 27 deletions(-) -- 2.34.1

2 months, 2 weeks

5
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[PATCH Linux-6.12.y 1/1] selftests/mm: build with -O2

by Yifei Liu

From: Kevin Brodsky <kevin.brodsky(a)arm.com> [ Upstream commit 46036188ea1f5266df23a6149dea0df1c77cd1c7 ] The mm kselftests are currently built with no optimisation (-O0). It's unclear why, and besides being obviously suboptimal, this also prevents the pkeys tests from working as intended. Let's build all the tests with -O2. [kevin.brodsky(a)arm.com: silence unused-result warnings] Link: https://lkml.kernel.org/r/20250107170110.2819685-1-kevin.brodsky@arm.com Link: https://lkml.kernel.org/r/20241209095019.1732120-6-kevin.brodsky@arm.com Signed-off-by: Kevin Brodsky <kevin.brodsky(a)arm.com> Cc: Aruna Ramakrishna <aruna.ramakrishna(a)oracle.com> Cc: Catalin Marinas <catalin.marinas(a)arm.com> Cc: Dave Hansen <dave.hansen(a)linux.intel.com> Cc: Joey Gouly <joey.gouly(a)arm.com> Cc: Keith Lucas <keith.lucas(a)oracle.com> Cc: Ryan Roberts <ryan.roberts(a)arm.com> Cc: Shuah Khan <shuah(a)kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> (cherry picked from commit 46036188ea1f5266df23a6149dea0df1c77cd1c7) [Yifei: This commit also fix the failure of pkey_sighandler_tests_64, which is also in linux-6.12.y, thus backport this commit] Signed-off-by: Yifei Liu <yifei.l.liu(a)oracle.com> --- tools/testing/selftests/mm/Makefile | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 02e1204971b0..c0138cb19705 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -33,9 +33,16 @@ endif # LDLIBS. MAKEFLAGS += --no-builtin-rules -CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) +CFLAGS = -Wall -O2 -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) LDLIBS = -lrt -lpthread -lm +# Some distributions (such as Ubuntu) configure GCC so that _FORTIFY_SOURCE is +# automatically enabled at -O1 or above. This triggers various unused-result +# warnings where functions such as read() or write() are called and their +# return value is not checked. Disable _FORTIFY_SOURCE to silence those +# warnings. +CFLAGS += -U_FORTIFY_SOURCE + TEST_GEN_FILES = cow TEST_GEN_FILES += compaction_test TEST_GEN_FILES += gup_longterm -- 2.46.0

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Linux-kselftest-mirror February 2025